Modify my php script

I have a movie database script When i am creating listings i need to manualy type the title of the video and enter the description of the movie and then upload an image to the listing so it can be saved. I would like for this to be changed I would like to search for a movie in my listings title box and be prompted with movies from the IMDB that i can choose, If iselct a movie i want this to complete the listing for me with the relevant information relating to my listing Movie title instead of uploading the image i would like to copy the image from the IMDB and resize it on my server to 150X150 with the link adding to the database Video Length Description